life-threatening
adjective
life-threat·en·ing
ˈlīf-ˌthre-tᵊn-iŋ 
-ˌthret-niŋ
: capable of causing death : potentially fatal
a life-threatening disease/condition
The injuries are serious but not life-threatening.
Examples of life-threatening in a Sentence
Recent Examples on the Web
The disease can affect the colon and rectum and can weaken the body, leading to possible life-threatening complications.
—
Ingrid Vasquez, People.com, 17 Jan. 2025
The driver and her five passengers suffered serious, possibly life-threatening injuries, according to state police.
—Justin Muszynski, Hartford Courant, 17 Jan. 2025
Almost all states have programs that allow early release for inmates with serious or life-threatening medical conditions.
—Sarah Kliff, New York Times, 17 Jan. 2025
Anaphylaxis Anaphylaxis is a severe, life-threatening allergic reaction.
—Daniel More, Verywell Health, 17 Jan. 2025
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Ingrid Vasquez, People.com, 17 Jan. 2025
The driver and her five passengers suffered serious, possibly life-threatening injuries, according to state police.
—Justin Muszynski, Hartford Courant, 17 Jan. 2025
Almost all states have programs that allow early release for inmates with serious or life-threatening medical conditions.
—Sarah Kliff, New York Times, 17 Jan. 2025
Anaphylaxis Anaphylaxis is a severe, life-threatening allergic reaction.
—Daniel More, Verywell Health, 17 Jan. 2025
See all Example Sentences for life-threatening
Dictionary Entries Near life-threatening
Cite this Entry
“Life-threatening.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/life-threatening. Accessed 22 Jan. 2025.
Copy CitationMedical Definition
life-threatening
adjective
life-threat·en·ing
ˈlīf-ˌthret-ən-iŋ
: capable of causing death : potentially fatal
life-threatening injuries
a life-threatening allergic reaction
life-threatening arrhythmia
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